Publications



count: 7  1 - 7

author : Naoki Umezawa

First name Naoki
Family name Umezawa

2021

"Effects of Structural Isomers of Spermine on the Higher-Order Structure of DNA and Gene Expression"

Tomoki Kitagawa, Takashi Nishio, Yuko Yoshikawa, Naoki Umezawa, Tsunehiko Higuchi, Chwen-Yang Shew, Takahiro Kenmotsu and Kenichi Yoshikawa, Int. J. Mol. Sci, 22, 2355-2368 (2021)

2019

"Specifc efects of antitumor active norspermidine on the structure and function of DNA"

Takashi Nishio, Yuko Yoshikawa, Chwen-Yang Shew, Naoki Umezawa, Tsunehiko Higuchi and Kenichi Yoshikawa, Scientific Reports, 9, 1-12 (2019)

2018

"Repulsive/attractive interaction among compact DNA molecules as judged through laser trapping: Difference between linear- and branched-chain polyamines"

Yusuke Kashiwagi, Takashi Nishio, Masatoshi Ichikawa, Chwen-Yang Shew, Naoki Umezawa, Tsunehiko Higuchi, Koichiro Sadakane, Yuko Yoshikawa and Kenichi Yoshikawa, Colloid Polymer Science, 1-11 (2018)

"Branched-Chain Polyamine Found in Hyperthermophiles Induces Unique Temperature-Dependent Structural Changes in Genome-Size DNA"

Takashi Nishio, Yuko Yoshikawa, Wakao Fukuda, Naoki Umezawa, Tsunehiko Higuchi, Shinsuke Fujiwara, Tadayuki Imanaka and Kenichi Yoshikawa, ChemPhysChem, 19, 2299-2304 (2018)

2016

"Naturally occurring branched-chain polyamines induce a crosslinked meshwork structure in a giant DNA"

Akira Muramatsu, Yuta Shimizu, Yuko Yoshikawa, Wakao Fukuda, Naoki Umezawa, Yuhei Horai, Tsunehiko Higuchi, Shinsuke Fujiwara, Tadayuki Imanaka and Kenichi Yoshikawa, The Journal of Chemical Physics, 145, (2016)

2015

"Structurally Diverse Polyamines: Solid-Phase Synthesis and Interaction with DNA"

Naoki Umezawa, Yuhei Horai, Yuki Imamura, Makoto Kawakubo, Mariko Nakahira, Nobuki Kato, Akira Muramatsu, Yuko Yoshikawa, Kenichi Yoshikawa and Tsunehiko Higuchi, ChemBioChem, 16, 1811-1819 (2015)

2013

"Effective Chiral Discrimination of Tetravalent Polyamines on the Compaction of Single DNA Molecules"

Yuko Yoshikawa, Naoki Umezawa, Yuki Imamura, Toshio Kanbe, Nobuki Kato, Kenichi Yoshikawa, Tadayuki Imanaka and Tsunehiko Higuchi, Angewandte Chemie, 52, 3712-3716 (2013)